• A panel accompanying an article about the exam performances of pupils based on when they were born stated that Margaret Thatcher and David Cameron were born in September. They were both October babies (What about Obama, Fry, Clinton and Bonaparte?, 10 May, page 9).

• An article about the failed nightclub group Luminar stated that administrators expected creditors' claims triggered by past outstanding personal injury claims brought by "123 clubbers, doormen and bar staff". In fact, the possible creditors' claims relate only to past personal injury claims brought by customers or visitors to Luminar sites, not to staff claims (Luminar claimants lose out on up to £15,000, 3 May, page 36).

• A review of Sarah Dunant's novel Blood and Beauty said that 50 years after Henry VIII's death (in 1547), the Borgia dynasty had Italy by the scruff of its neck. The influence of the Borgias had waned by then. What the author intended to say was that they were influential 50 years before Henry VIII's birth (in 1491) (At home with the Borgias, 4 May, page 11, Review).

• Homophone corner: "The idea of transforming intersections by ripping out the traffic lights, curbs, road surface markings and letting pedestrians and HGVs 'negotiate their own movement', at substantially reduced speeds, is not new" (In praise of … the Poynton intersection, 10 May, page 34).